Using the APA style or the<span> American Psychological Association style of referencing or citing sources, the structure for website reference is as follows:
</span>Last, F. M. (Year, Month Date Published). Article title<span>. Retrieved from URL. Hence, for the problem:
</span>Last, F. M. (Year, Month Date Published). Article title<span>. Retrieved from http://www.asha.org</span>
Answer:
discriminant = b * b - 4 * a * c
discriminant = b ** 2 - 4 * a * c
Explanation:
The operands are correct and in the right order (for python).
** is the operand for squaring something.
* is the operand for multiplying something.
- is the operand for subtracting something.
It is a unit of disk space allocation for files and directories. Hope this helps :)